This figure shows the endocrine system. Which structure does number 4 indicate?
A. Pituitary gland
B. Pancreas
C. Hypothalamus
D. Thyroid gland
E. Adrenal gland
Answer: B
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The most correct classification of an epithelial tissue consisting of many layers of cells, in which the outer layers are flat and thin, and the basal layers are cuboidal or columnar is
A) simple columnar epithelium. B) pseudostratified epithelium. C) stratified squamous epithelium. D) transitional epithelium. E) simple squamous epithelium.
A scientist observes a particular nerve fiber that is among the fastest at conducting action potentials in the body. Which of the following best describes its likely structure?
A. Large diameter and unmyelinated B. Large diameter and myelinated C. Small diameter and unmyelinated D. Small diameter and myelinated
Oxidative deamination takes place in the ________.
A) liver B) muscles C) kidneys D) blood
What is the mechanism for stopping bleeding called?
A. Negative feedback B. Erythropoiesis C. Hemostasis D. Thrombocytosis E. Vasoconstriction